<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<script>
export default {
    name: "App",
  provide () {    //父组件中通过provide来提供变量，在子组件中通过inject来注入变量。
    return {
      reload: this.reload
    }
  },
  data() {
    return{
      isRouterAlive: true                    //控制视图是否显示的变量
    }
  },
  methods: {
    reload () {
      this.isRouterAlive = false;            //先关闭，
      this.$nextTick(function () {
        this.isRouterAlive = true;         //再打开
      })
    }
  }

};
</script>

<style> 
html,
body {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 0px;
    margin: 0px;
}
#app {
    font-family: "Avenir", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #2c3e50;
    widows: 100%;
    height: 100%;
}
</style>
